Remove optional dependency on unstaged mail/dcc-dccd


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@367498 35697150-7ecd-e111-bb59-0022644237b5
2014-08-31 mail/dcc-dccd: Not staged. See http://lists.freebsd.org/pipermail/freebsd-ports-announce/2014-May/000080.html
2014-08-31 games/alienarena: Not staged. See http://lists.freebsd.org/pipermail/freebsd-ports-announce/2014-May/000080.html
2014-09-07 games/alienarena-data: Useless without alienarena


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@367499 35697150-7ecd-e111-bb59-0022644237b5